Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W9SKO callsign genealogy
Currently held by Skowronski, Steven R
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W9SKO's current licensee, walking backwards.
- Skowronski, Steven RILgranted 2021-06-10cancelled 2021-06-29
Successor callsigns
Callsigns held now by people who previously held W9SKO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9SKO, oldest first.
- GARLS, JAMES D IL2007-08-01 → cancelled 2010-07-09
- Skowronski, Steven R IN2021-06-29 active